Generate Kotlin bindings & enable dynamic libraries for Android (#40)

* chore: generate kotlin bindings & enable shared library

* chore: generate kotlin bindings & enable shared library

---------

Co-authored-by: Thomas Leiter <thomas@fasky.io>

Author: tomLadder

.github/workflows/build-release.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: android-libs
-          path: android/**/*.a
+          path: android/**/*.so
           if-no-files-found: error
 
   ios:
@@ -42,4 +42,3 @@ jobs:
           name: xcframework
           path: build/*.xcframework
           if-no-files-found: error
-        

.gitignore

@@ -38,8 +38,6 @@ project.xcworkspace
 local.properties
 android.iml
 *.aar
-android/src/main/java/org
-android/src/main/java/uniffi
 
 # Cocoapods
 example/ios/Pods
@@ -79,6 +77,7 @@ lib/
 # uniffi-bindgen-react-native
 rust_modules/
 *.a
+*.so
 
 # React Native Codegen
 ios/generated

android/CMakeLists.txt

@@ -44,11 +44,11 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
 
 cmake_path(
   SET MY_RUST_LIB
-  ${CMAKE_SOURCE_DIR}/src/main/jniLibs/${ANDROID_ABI}/libmatrix_sdk_ffi.a
+  ${CMAKE_SOURCE_DIR}/src/main/jniLibs/${ANDROID_ABI}/libmatrix_sdk_ffi.so
   NORMALIZE
 )
-add_library(my_rust_lib STATIC IMPORTED)
-set_target_properties(my_rust_lib PROPERTIES IMPORTED_LOCATION ${MY_RUST_LIB})
+add_library(my_rust_lib SHARED IMPORTED)
+set_target_properties(my_rust_lib PROPERTIES IMPORTED_LOCATION ${MY_RUST_LIB} IMPORTED_NO_SONAME ON)
 
 # Add ReactAndroid libraries, being careful to account for different versions.
 find_package(ReactAndroid REQUIRED CONFIG)

android/build.gradle

@@ -133,6 +133,7 @@ dependencies {
   //noinspection GradleDynamicVersion
   implementation "com.facebook.react:react-native:+"
   implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+  implementation "net.java.dev.jna:jna:5.17.0@aar"
 }
 
 if (isNewArchitectureEnabled()) {

android/proguard-rules.pro

@@ -0,0 +1,4 @@
+# Generated by uniffi-bindgen-react-native
+-dontwarn java.awt.*
+-keep class com.sun.jna.* { *; }
+-keepclassmembers class * extends com.sun.jna.* { public *; }